CN108469024A - From preheating temperature adjustment fuel burner nozzle - Google Patents
From preheating temperature adjustment fuel burner nozzle Download PDFInfo
- Publication number
- CN108469024A CN108469024A CN201810503664.8A CN201810503664A CN108469024A CN 108469024 A CN108469024 A CN 108469024A CN 201810503664 A CN201810503664 A CN 201810503664A CN 108469024 A CN108469024 A CN 108469024A
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- Prior art keywords
- shell
- pipe
- gas
- diversion pipe
- air
- Prior art date
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- Granted
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- 239000000446 fuel Substances 0.000 title claims abstract description 24
- 239000007789 gas Substances 0.000 claims abstract description 57
- 239000003546 flue gas Substances 0.000 claims abstract description 52
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000002485 combustion reaction Methods 0.000 claims abstract description 28
- 239000000567 combustion gas Substances 0.000 claims description 21
- 239000002737 fuel gas Substances 0.000 claims description 10
- 238000010304 firing Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 description 16
- 238000002156 mixing Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000012272 crop production Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000003802 soil pollutant Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000000271 synthetic detergent Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The present invention relates to technical field of combustion equipment, more particularly to preheating temperature adjustment fuel burner nozzle certainly, including, Gas Pipe, primary air diversion pipe, auxiliary air diversion pipe, primary air diversion pipe is arranged in enclosure interior, primary air diversion pipe coaxial sleeve is connected in the outside of Gas Pipe, auxiliary air diversion pipe with the outlet side of Gas Pipe.Certainly preheating temperature adjustment fuel burner nozzle provided by the invention, air inflow flame temperature by controlling auxiliary air diversion pipe is adjusted, simultaneously mix auxiliary air and flue gas, the temperature for reducing flue gas, keeps flame temperature adjustable, and the heat that flue gas carries can be swapped with primary air, primary air is set to be more suitable for combustion-supporting, the heat for reducing flue gas simultaneously, improves the temperature of combustion air, to save the energy.
Description
Technical field
The present invention relates to technical field of combustion equipment, and in particular to from preheating temperature adjustment fuel burner nozzle.
Background technology
Soil pollutant is broadly divided into inorganic pollution and organic pollution two major classes.Inorganic pollution includes mainly
Acid, alkali, heavy metal, salt, radioactive element caesium, the compound of strontium, the compound etc. containing arsenic, selenium, fluorine.Organic pollution is main
It is brought including organic agricultural chemicals, phenols, cyanide, oil, synthetic detergent, BaP and by municipal sewage, sludge and barnyard manure
Harmful microorganism etc..It is excessive when containing hazardous substance in soil, be more than the self-purification capacity of soil, will cause composition of the soil,
Structure and function changes, and microbial activities is suppressed, and gradually accumulation is logical in the soil for harmful substance or its decomposition product
It crosses " soil → plant → human body ", or is absorbed by the body indirectly by " soil → water → human body ", reach and be detrimental to health
Degree.
And after soil is contaminated, it is difficult to quickly repair, general soil purification needs three, 40 years time, contaminated
Soil brings huge harm, crop production reduction and quality of agricultural product reduction, underground water and surface water pollution, air to the mankind
Environmental quality reduces, health is on the hazard, and soil remediation is extremely urgent.
So needing quickly to repair soil using modern technologies, there are many current soil restoring technology method, greatly
Cause can be divided into physics, chemistry and biological three kinds of methods, wherein being heated to soil polluted by organic matter with mode of heating organic
More than object boiling point, keep the method that the organic matter in absorption soil is volatilized into separating treatment again after gaseous state most widely used.
Fuel burner nozzle is arranged in well head current fuel burner nozzle, and burned flame sprays to heat radiation tube, to heat radiation tube
It is heated, soil is heated by heat radiation tube, but heating temperature is uncontrollable.
Invention content
The technical problem to be solved in the present invention is to overcome fuel burner nozzle heating temperature is uncontrollable in the prior art to lack
It falls into.
For this purpose, the technical solution used, the present invention provides preheating temperature adjustment fuel burner nozzles certainly, including：
Shell；
Gas Pipe is extended along shell axis direction, and inlet end is set to enclosure interior, and shell is stretched out in outlet side
Outside, and the fuel gas inlet being connected to the inlet end of the Gas Pipe is provided on the shell；
Primary air diversion pipe, for coaxial sleeve in the outside of Gas Pipe, inlet end is set to enclosure interior, and outlet side is stretched out
Shell and extend to the Gas Pipe outlet end outside, and be provided on the shell and the primary air diversion pipe
Inlet end connection primary air air inlet；
Auxiliary air diversion pipe, for coaxial sleeve in the outside of Gas Pipe, inlet end is set to enclosure interior, and outlet side is stretched out
Shell and extend to the Gas Pipe outlet end outside, and be provided on the shell and the auxiliary air diversion pipe
Inlet end connection auxiliary air air inlet；
Flue gas diversion pipe, coaxial sleeve are set to enclosure interior in the outside of the auxiliary air diversion pipe, outlet side,
Inlet end stretches out shell and extends to the outside of the outlet end of the Gas Pipe, is provided with and the flue gas water conservancy diversion on the shell
The flue gas emission mouth of the outlet side connection of pipe.
In order to increase the heated perimeter of burner, since the fire end of burner will stretch into underground, when in order to make burner work
Structure is more stablized, and the area occupied of Gas Pipe aerial part is reduced, and preferred technical solution is that shell is stretched out in Gas Pipe outlet side
The length of body is more than the length that its inlet end stretches out shell.
In order to make primary air and combustion gas mixing be easier to light, preferred technical solution is that primary air diversion pipe is remote
One end of shrinking away from theshell body is slightly longer than the one end of Gas Pipe far from shell.
In order to make primary air and combustion gas mixing be easier to light, primary air and contacts fuel gas area bigger, and make
Primary air air and combustion gas mixing more fully, preferred technical solution is that the one end of Gas Pipe far from shell connects air
Air deflector is provided through several gap on the side wall of air deflector.
In order to make primary air and contacts fuel gas area bigger, and make more filling for primary air air and combustion gas mixing
Point, while primary air and combustion gas being made to be pre-mixed before ignition, keep fuel gas buring more abundant, further preferred technical side
Case is that air deflector is equipped with the axial stomata of multiple perforations, the tube wall of air deflector close to the periphery of Gas Pipe outlet side
Circumferential position is equipped with the radial stomata of multiple perforations.
In order to make the more abundant of flame combustion, and make flame heat regulating higher, more assemble, preferred technical solution is one
The one end of secondary airflow duct far from shell connects combustion chamber, and the one end of combustion chamber far from air deflector is to close up to be arranged.
In order to which the combustion gas for making the outlet side of Gas Pipe be discharged is easy to light, and igniter is not by combustion chamber high temperature shadow
It rings, preferred technical solution is, further includes the first igniter from temperature adjustment fuel burner nozzle is preheated, and is arranged on shell, and first
The firing tip of igniter is located at the outlet side of Gas Pipe.
In order to make the temperature control of flame, while heat in flue gas discharge process being made to reduce, by controlling auxiliary air
The air inflow flame temperature of diversion pipe is adjusted, while auxiliary air and flue gas being made to mix, and further decreases flue-gas temperature, together
When further exchanged heat with auxiliary air in flue gas exclusion process, further decrease the temperature of flue gas, preferred technology
Scheme is that one end that auxiliary air diversion pipe stretches out shell connects heat exchanger tube, and heat exchanger tube is sleeved on the outside of primary air diversion pipe,
Heat exchanger tube extends to the outlet side of Gas Pipe.
In order to make auxiliary air be sufficiently mixed with flame and flue gas, the temperature of flame and flue gas is reduced, while making flame
The more aggregation of burning, heating efficiency higher, preferred technical solution is that the one end of heat exchanger tube far from auxiliary air diversion pipe is set
The first closing in pipe is set, the first closing in pipe sleeve is in the outside of combustion chamber, and first, which closes up, is arranged gap between pipe and combustion chamber, first receives
The closing in diameter of mouth pipe is more than the closing in diameter of combustion chamber.
It is provided by the invention from preheating temperature adjustment fuel burner nozzle operation principle be：First, fuel burner nozzle is stretched into soil,
Combustion gas is passed through in Gas Pipe, primary air air inlet is passed through combustion-supporting gas, and combustion-supporting gas passes through primary air diversion pipe and combustion gas
Mixing, the first igniter light combustion gas；Gap, axial stomata, radial stomata keep combustion-supporting gas and combustion gas mixing more abundant,
Burning is more abundant；Cooling air is passed through in auxiliary air diversion pipe, cooling air is imported at flame, is mixed with flame, is reduced
The temperature of flame to the temperature that regulating gas burner jets out flames, while can provide sufficient oxygen, combustion for flame combustion
It is more preferable to burn effect, moreover it is possible to reduce the temperature of combustion chamber and the first closing in pipe, the flue gas for generation of burning is mixed with cooling air, is reduced
The temperature of flue gas, the process that flue gas leads to flue gas emission mouth are exchanged heat with cooling air by heat exchanger tube, and cigarette is further decreased
The temperature of gas discharge, has saved the energy.
Technical solution of the present invention has the following advantages that：
Air inflow flame temperature by controlling auxiliary air diversion pipe is adjusted, while keeping auxiliary air and flue gas mixed
It closes, reduces the temperature of flue gas, keep flame temperature adjustable, and the heat that flue gas carries can be swapped with primary air, be made
Primary air is more suitable for heat that is combustion-supporting, while reducing flue gas, improves the temperature of combustion air, to save the energy.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the overall structure diagram of the embodiment of the present invention 1；
Fig. 2 is the structural schematic diagram of air deflector in the present invention；
Fig. 3 is the overall structure diagram of the embodiment of the present invention 2；
Fig. 4 is the overall structure diagram of the embodiment of the present invention 3
Wherein 1- shells；2- Gas Pipes；3- primary air air inlets；The first igniters of 4-；5- primary air diversion pipes；6-
Air deflector；61- gap；62- axial direction stomatas；63- radial direction stomatas；The combustion chambers 7-；9- flue gas emission mouths；10- flue gas water conservancy diversion
Pipe；11- auxiliary air diversion pipes；12- auxiliary air air inlets；13- heat exchanger tubes；14- first, which closes up, to manage；15- inner tube hanged hooks；
16- combustible-gas detectors；17- controllers；18- second igniters；19- side openings；20- anti backfire valves；21- annular grooves；22-
Two, which close up, manages；23- flue gas check valves.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment 1
As shown in Figure 1, the present invention provides from preheating temperature adjustment fuel burner nozzle, including：Shell 1；
Gas Pipe 2 is located inside shell 1, and is arranged along 1 axis direction of shell, and shell is stretched out at the both ends of Gas Pipe 2
The both ends of body 1；
The inside of shell 1 setting primary air diversion pipe 5,5 coaxial sleeve of primary air diversion pipe is in the outside of Gas Pipe 2, and one
Close to one end of shell connection setting primary air air inlet 3, primary air air inlet 3 is arranged in shell 1 secondary airflow duct 5
On, the one end of primary air diversion pipe 5 far from shell 1 is connected to the outlet side of Gas Pipe 2；
The inside of shell 1 setting flue gas diversion pipe 10,10 coaxial sleeve of flue gas diversion pipe in the outside of primary air diversion pipe 5,
10 inside coaxial arrangement auxiliary air diversion pipe 11 of flue gas diversion pipe, auxiliary air diversion pipe 11 and the outlet side of Gas Pipe 2 connect
It is logical, gap, auxiliary air water conservancy diversion are respectively provided between auxiliary air diversion pipe 11 and flue gas diversion pipe 10 and primary air diversion pipe 5
One end of pipe 11 is located inside shell 1, and the other end is located at outside shell 1, and one end of flue gas diversion pipe 10 is connect with shell 1, separately
One end is connect with the end part seal that auxiliary air diversion pipe 11 is arranged inside shell 1, is connected outside flue gas diversion pipe 10 and shell 1
It is logical；
Auxiliary air air inlet 12 is arranged in 1 side of shell, and auxiliary air air inlet 12 is connected to auxiliary air diversion pipe 11；
Flue gas emission mouth 9 is arranged in 1 side of shell, and flue gas emission mouth 9 is connected to flue gas diversion pipe 10.
In order to increase the heated perimeter of burner, since the fire end of burner will stretch into underground, when in order to make burner work
Structure is more stablized, and the area occupied of 2 aerial part of Gas Pipe is reduced, and preferred technical solution is that 2 outlet side of Gas Pipe is stretched out
The length of shell 1 is more than the length that its inlet end stretches out shell 1.
In order to make primary air and combustion gas mixing be easier to light, preferred technical solution is that primary air diversion pipe 5 is remote
One end of shrinking away from theshell body 1 is slightly longer than the one end of Gas Pipe 2 far from shell 1.
In order to make primary air and combustion gas mixing be easier to light, primary air and contacts fuel gas area bigger, and make
Primary air air and combustion gas mixing more fully, preferred technical solution is that one end connection of the Gas Pipe 2 far from shell 1 is empty
Gas air deflector 6 is provided through several gap 61 on the side wall of air deflector 6.
In order to make primary air and contacts fuel gas area bigger, and make more filling for primary air air and combustion gas mixing
Point, while primary air and combustion gas being made to be pre-mixed before ignition, keep fuel gas buring more abundant, further preferred technical side
Case is that air deflector 6 is equipped with the axial stomata 62 of multiple perforations close to the periphery of 2 outlet side of Gas Pipe, air deflector 6
Location around tube wall is equipped with the radial stomata 63 of multiple perforations.
In order to make the more abundant of flame combustion, and make flame heat regulating higher, more assemble, preferred technical solution is one
The one end of secondary airflow duct far from shell connects combustion chamber, and the one end of combustion chamber 7 far from air deflector 6 is to close up to be arranged.
In order to which the combustion gas for making the outlet side of Gas Pipe be discharged is easy to light, and igniter is not by combustion chamber high temperature shadow
It rings, preferred technical solution is, further includes the first igniter 4 from temperature adjustment fuel burner nozzle is preheated, and is arranged on shell 1, and the
The firing tip of one igniter 4 is located at the outlet side of Gas Pipe 2.
In order to make the temperature control of flame, while heat in flue gas discharge process being made to reduce, by controlling auxiliary air
The air inflow flame temperature of diversion pipe is adjusted, while auxiliary air and flue gas being made to mix, and further decreases flue-gas temperature, together
When further exchanged heat with auxiliary air in flue gas exclusion process, further decrease the temperature of flue gas, preferred technology
Scheme is that one end that auxiliary air diversion pipe 11 stretches out shell 1 connects heat exchanger tube 13, and heat exchanger tube 13 is sleeved on primary air diversion pipe
5 outside, heat exchanger tube 13 extend to the outlet side of Gas Pipe 2.
In order to make auxiliary air be sufficiently mixed with flame and flue gas, the temperature of flame and flue gas is reduced, while making flame
The more aggregation of burning, heating efficiency higher, preferred technical solution is, heat exchanger tube 13 far from auxiliary air diversion pipe 11 one
The first closing in pipe 14 of end setting, the first closing in pipe 14 are sleeved on the outside of combustion chamber 7, are set between the first closing in pipe 14 and combustion chamber 7
Gap is set, the closing in diameter of the first closing in pipe 14 is more than the closing in diameter of combustion chamber 7.
Embodiment 2
As shown in figure 3, on the basis of embodiment 1, fuel gas buring is insufficient in order to prevent, is arranged in flue gas emission mouth 9
Controller 17 is arranged on shell 1 for combustible-gas detector 16, and controller 17 is connect with external power supply, combustible-gas detector 16
It is connect with controller 17；Second igniter 18 is arranged in first closing in pipe, 14 outside, and second igniter 18 is connect with controller 17, the
The side of one closing in pipe 14 opens up several side openings 19, side opening 19 be located at second igniter 18 and the first closing in pipe 14 mouth end it
Between；When combustible-gas detector 16 detects fuel gas, controller 17 controls second igniter 18 and lights a fire, and side opening 19 is to combustion
It burns insufficient combustion gas and oxygen is provided, anti backfire valve 20 is set between ring flange 8 and primary air diversion pipe 5, burning is made not fill
The combustion gas divided carries out second-time burning, while being heated to auxiliary air, avoids combustion gas and the waste of heat.
Embodiment 3
As shown in figure 4, on the basis of embodiment 1, annular groove 21, annular is arranged close to one end of shell 1 in heat exchanger tube 13
The lateral surface of slot 21 is connect with ring flange 8, and gap, the notch court of annular groove 21 is arranged in medial surface and the ring flange 8 of annular groove 21
To shell 1, the second closing in pipe 22, the osculum and two of the second closing in pipe 22 is arranged in one end that auxiliary air diversion pipe stretches out shell 1
Secondary airflow duct is tightly connected, and the osculum of the second closing in pipe 22 is arranged towards shell 1, and the big opening end of the second closing in pipe 22 is inserted into
In annular groove 21, and there is gap with annular groove 21, if the bottom setting dry flue gas check valve 23 of annular groove 21, flue gas check valve
23 between 21 lateral wall of annular groove and the second closing in pipe 22；Flue gas is by between the second closing in pipe 22 and annular groove 21
Gap is flowed to flue gas emission mouth 9, and gas cleaning liquid is injected in annular groove 21, and liquid water did not had the second closing in pipe 22, when combustion gas is fired
Vapor is generated after burning after heat exchanger tube 13, vapor condensation, liquid water flows into annular groove along 22 inner wall of the second closing in pipe
In 21, flue gas enters annular groove 21 by flue gas check valve 23, is purified by gas cleaning liquid, then outside annular groove 21
Enter flue gas emission mouth 9 between wall and the second closing in pipe 22.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (9)
1. from preheating temperature adjustment fuel burner nozzle, which is characterized in that including：
Shell (1)；
Gas Pipe (2) is extended along shell (1) axis direction, and inlet end is set to shell (1) inside, and outlet side is stretched
It is external to go out shell (1), and is provided with the fuel gas inlet being connected to the inlet end of the Gas Pipe (2) on the shell (1)
(24)；
Primary air diversion pipe (5), for coaxial sleeve in the outside of Gas Pipe (2), inlet end is set to shell (1) inside, outlet
End stretches out shell (1) and extends to the outside of the outlet end of the Gas Pipe (2), and is provided on the shell (1) and institute
State the primary air air inlet (3) of the inlet end connection of primary air diversion pipe (5)；
Auxiliary air diversion pipe (11), for coaxial sleeve in the outside of Gas Pipe (2), inlet end is set to shell (1) inside, outlet
End stretches out shell (1) and extends to the outside of the outlet end of the Gas Pipe (2), and is provided on the shell (1) and institute
State the auxiliary air air inlet (12) of the inlet end connection of auxiliary air diversion pipe (11)；
Flue gas diversion pipe (10), coaxial sleeve are set to shell (1) in the outside of the auxiliary air diversion pipe (11), outlet side
Inside, inlet end stretch out shell (1) and extend to the outside of the outlet end of the Gas Pipe (2), be arranged on the shell (1)
There is the flue gas emission mouth (9) that the outlet side with the flue gas diversion pipe (10) is connected to.
2. according to claim 1 from preheating temperature adjustment fuel burner nozzle, which is characterized in that shell is stretched out in Gas Pipe (2) outlet side
The length of body (1) is more than the length that its inlet end stretches out shell (1).
3. according to claim 1 from preheating temperature adjustment fuel burner nozzle, which is characterized in that primary air diversion pipe (5) is separate
One end of shell (1) is slightly longer than the one end of Gas Pipe (2) far from shell (1).
4. according to claim 3 from preheating temperature adjustment fuel burner nozzle, which is characterized in that the separate shell (1) of Gas Pipe (2)
One end connects air deflector (6), several gap (61) are provided through on the side wall of air deflector (6).
5. according to claim 4 from preheating temperature adjustment fuel burner nozzle, which is characterized in that air deflector (6) is close to combustion gas
The periphery for managing (2) outlet side is equipped with the axial stomata (62) of multiple perforations, and the location around tube wall of air deflector (6) is equipped with more
The radial stomata (63) of a perforation.
6. according to claim 5 from preheating temperature adjustment fuel burner nozzle, which is characterized in that primary air diversion pipe (5) is separate
One end connection combustion chamber (7) of shell (1), the one end of combustion chamber (7) far from air deflector (6) are to close up to be arranged.
7. according to claim 6 from preheating temperature adjustment fuel burner nozzle, which is characterized in that also wrapped from preheating temperature adjustment fuel burner nozzle
The first igniter (4) is included, is arranged on shell (1), and the firing tip of the first igniter (4) is located at the outlet of Gas Pipe (2)
End.
8. according to claim 1 from preheating temperature adjustment fuel burner nozzle, which is characterized in that auxiliary air diversion pipe (11) stretches out
One end connection heat exchanger tube (13) of shell (1), heat exchanger tube (13) are sleeved on the outside of auxiliary air diversion pipe (11), heat exchanger tube (13)
Extend to the outlet side of Gas Pipe (2).
9. according to claim 8 from preheating temperature adjustment fuel burner nozzle, which is characterized in that heat exchanger tube (13) is far from auxiliary air
One end setting first of diversion pipe (11), which is closed up, manages (14), and first, which closes up, manages the outside that (14) are sleeved on combustion chamber (7), and first closes up
Gap is set between pipe (14) and combustion chamber (7), and the closing in that the first closing in diameter for closing up pipe (14) is more than combustion chamber (7) is straight
Diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810503664.8A CN108469024B (en) | 2018-05-23 | 2018-05-23 | Self-preheating temperature-regulating gas burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN110586639A (en) * | 2019-10-14 | 2019-12-20 | 森特士兴集团股份有限公司 | Servo energy-saving control system of natural gas soil heating device and control method thereof |
| CN113454389A (en) * | 2018-12-21 | 2021-09-28 | 西肯斯股份有限公司 | Burner system and method for providing thermal energy |
| CN113531528A (en) * | 2021-07-23 | 2021-10-22 | 杭州中景科技有限公司 | Diffusion type low-NOx self-preheating radiant tube burner with flue gas backflow and method |
| CN114011867A (en) * | 2021-12-13 | 2022-02-08 | 北京兴达奇热工控制设备有限公司 | Soil in-situ heat removal additional heat system and method |
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| CN113531528A (en) * | 2021-07-23 | 2021-10-22 | 杭州中景科技有限公司 | Diffusion type low-NOx self-preheating radiant tube burner with flue gas backflow and method |
| CN113531528B (en) * | 2021-07-23 | 2024-04-12 | 杭州中景科技有限公司 | Low-NOx self-preheating radiant tube burner with smoke backflow diffusion and method |
| CN114011867A (en) * | 2021-12-13 | 2022-02-08 | 北京兴达奇热工控制设备有限公司 | Soil in-situ heat removal additional heat system and method |
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| CN108469024B (en) | 2023-12-26 |
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